4122455515 has 4 divisors (see below), whose sum is σ = 4946946624. Its totient is φ = 3297964408.

The previous prime is 4122455509. The next prime is 4122455539. The reversal of 4122455515 is 5155542214.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4122455515 - 2³ = 4122455507 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412245547 + ... + 412245556.

It is an arithmetic number, because the mean of its divisors is an integer number (1236736656).

Almost surely, 2^4122455515 is an apocalyptic number.

4122455515 is a deficient number, since it is larger than the sum of its proper divisors (824491109).

4122455515 is an equidigital number, since it uses as much as digits as its factorization.

4122455515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824491108.

The product of its digits is 40000, while the sum is 34.

The square root of 4122455515 is about 64206.3510487864. The cubic root of 4122455515 is about 1603.4373386668.

Adding to 4122455515 its reverse (5155542214), we get a palindrome (9277997729).

The spelling of 4122455515 in words is "four billion, one hundred twenty-two million, four hundred fifty-five thousand, five hundred fifteen".